11131120112 has 160 divisors (see below), whose sum is σ = 26869708800. Its totient is φ = 4362107904.

The previous prime is 11131120111. The next prime is 11131120153. The reversal of 11131120112 is 21102113111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131120111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8142053 + ... + 8143419.

It is an arithmetic number, because the mean of its divisors is an integer number (167935680).

Almost surely, 2^11131120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11131120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13434854400).

11131120112 is an abundant number, since it is smaller than the sum of its proper divisors (15738588688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131120112 is a wasteful number, since it uses less digits than its factorization.

11131120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11131120112 its reverse (21102113111), we get a palindrome (32233233223).

The spelling of 11131120112 in words is "eleven billion, one hundred thirty-one million, one hundred twenty thousand, one hundred twelve".